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Finding the Fourth Proportional to 5,369.92, 7,410.96 and 3,275.20

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Solution

The fourth proportional to 5,369.92, 7,410.96 and 3,275.20 is: 4,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.92 : 7,410.96 = 3,275.20 : x
  2. Step 2: Convert to fraction form
    5,369.92/7,410.96 = 3,275.20/x
  3. Step 3: Cross multiply
    5,369.92x = 7,410.96 × 3,275.20
  4. Step 4: Simplify right side
    5,369.92x = 24,272,376.19
  5. Step 5: Solve for x
    x = 24,272,376.19/5,369.92
  6. Step 6: Final answer
    x = 4,520.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.